What is the most essential purpose of parantheses in regular expressions ? Options: A . &nbspDefine pattern matching techniques B . &nbspDefine subpatterns within the complete pattern C . &nbspDefine portion of strings in the regular expression D . &nbspAll of the mentioned

What is the most essential purpose of parantheses in regular expressions ?

Question

What is the most essential purpose of parantheses in regular expressions ?

Options:

A . Define pattern matching techniques

B . Define subpatterns within the complete pattern

C . Define portion of strings in the regular expression

D . All of the mentioned

Answer: Option B

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